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RFID (Radio Frequency Identification) technology is a revolutionary automatic identification technology that has been widely used in many fields. From its earliest invention to today's highly integrated RFID technology, the evolution of RFID technology not only demonstrates the progress of the technology itself, but also reflects its importance in the era of intelligent management and the Internet of Things. This article will discuss the history and development of RFID technology, its classification and its application, and in particular the advantages of RFID locker lock technology and its integration with the Internet of Things.
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History of RFID Technology
The Origins of RFID (radio frequency identification) technology can be traced back to the early 20th century. In 1969, Paul Weiszmann created the first active RFID system, which uses tags with built-in batteries to provide longer communication distances and more functionality than passive tags with passive RFID. Then, in 1973, Charles Walton patented the RFID technology and drove its development in the following decades. Today, RFID technology has been widely used in all walks of life, providing enterprises with a variety of customized solutions.Types and Applications of RFID Technology
RFID technology can be divided into the following types according to different needs and application scenarios.Active RFID
This tag has a built-in battery and can actively transmit RF signals, which is suitable for scenarios that require long communication distances and high-frequency updates, such as vehicle tracking and asset management. Due to its active emission characteristics, active RFID tags can be read at greater distances and are suitable for real-time monitoring of items in dynamic environments.Passive RFID
Passive RFID tags do not have batteries, but rely on the received radio frequency signal for data transmission. This technology is suitable for short-range communication applications such as logistics management and product tracking. Since no battery is required, passive RFID tags are less costly and perform well in stable environments.Semi-passive RFID
This tag has a built-in battery, but only uses the battery when communicating with the reader. Suitable for applications that require long communication distances but do not require a continuous power supply, such as environmental monitoring and temperature tracking. Semi-passive RFID combines the advantages of active and passive RFID to adapt to a variety of application needs.High-frequency RFID
This technology operates at 13.56 MHz and is suitable for near field communication applications such as contactless payments and authentication. The advantages of high-frequency RFID are short read distance and stable performance, which is very suitable for application scenarios with high security requirements.Uhf RFID
Operating in the 860 to 960 MHz frequency range, it is suitable for applications that require long-distance communication and high-speed reading, such as asset tracking and inventory management. Uhf RFID can transmit data over longer distances and can quickly read multiple tags, which is suitable for fields such as logistics and supply chain management.RFID Locker Lock Technology and Its Advantages
RFID locker lock is an important application field in RFID technology, mainly using passive RFID technology.